Pub. L. 107-63, tit. I, sec. 127

Sec. 127. The Secretary of the Interior may use or contract for the use of helicopters or motor vehicles on the Sheldon and Hart National Wildlife Refuges for the purpose of capturing and transporting horses and burros. The provisions of subsection (a)of the Act of September 8, 1959 (73 Stat. 470; 18 U.S.C. 47(a)) shall not be applicable to such use. Such use shall be in accordance with humane procedures prescribed by the Secretary.